Air Tractor AT-400#Variants

• AT-400 - AT-301 with 680 shp (507 kW) Pratt & Whitney Canada PT6A-15AG engine and 400 US gal (1,510 L) hopper. Short-span (45 ft 1¼ in (13.75 m)) wings.{{Harvnb|Taylor|1988|p=323}} 72 built.{{harvnb|Jackson|2003|p=507}}
• AT-400A - AT-400 with 550 hp (410 kW) Pratt & Whitney Canada PT6A-20 engine. 14 built.
• AT-401 - AT-301 with longer-span wings and 400 US gal (1,510 L) hopper, powered by 600 hp (447 kW) Pratt & Whitney R-1340 radial engine. 168 built.
• AT-401A - AT-401 with PZL-3S engine. One built.
• AT-401B -Improved revision of AT-401, with revised wingtips and further increased span (51 ft 1¼ in (15.57 m)). 69 built by December 2001.
• AT-402 - AT-401 with Pratt & Whitney Canada PT6A-15 engine. 68 built.
• AT-402A - low cost version of AT-401B, with Pratt & Whitney Canada PT6A-20 engine. 103 built by December 2001.
• AT-402B - improved version of AT-402, with revised wingtips and increased span of AT-401B. 31 built by December 2001.

File:Air Tractor AT-400A N3159D ‘Dusty Crophopper’ at the Steven F. Udvar-Hazy Center, 3 February 2024.jpg]]

• AT-400A N3159D is on display at the Steven F. Udvar-Hazy Center in Chantilly, Virginia. It is decorated in a livery depicting Dusty Crophopper from the 2013 animated film Planes, having been given the livery at the request of Disneytoon Studios prior to its acquisition by the museum.{{Cite web |title=Air Tractor AT-400A "Dusty Crophopper" {{!}} National Air and Space Museum |url=https://airandspace.si.edu/collection-objects/air-tractor-400a-dusty-crophopper/nasm_A20210562000 |access-date=2024-02-13 |website=airandspace.si.edu |language=en}}

{{Aircraft specs

|ref=Janes's All The World's Aircraft 1993-94.{{Harvnb|Lambert|1993|pp=412–413}}

|prime units?=imp

|genhide=

|crew=1

|capacity={{convert|400|USgal|impgal L|abbr=on}} hopper

|length m=

|length ft=27

|length in=0

|span sigfig=4

|span m=

|span ft=49

|span in=1+1/4

|height m=

|height ft=8

|height in=6

|wing area sqm=

|wing area sqft=294.0

|airfoil=NACA 4415

|aspect ratio=8.20:1

|empty weight kg=

|empty weight lb=4135

|gross weight kg=

|max takeoff weight lb=7860

|fuel capacity=

|eng1 number=1

|eng1 name=Pratt & Whitney R-1340

|eng1 type=radial engine

|eng1 kw=

|eng1 hp=600

|prop blade number=

|prop name=

|prop dia m=

|prop dia ft=

|prop dia in=

|perfhide=

|max speed kmh=

|max speed mph=156

|max speed kts=

|max speed note=at sea level

|cruise speed kmh=

|cruise speed mph=120–140

|cruise speed note=(typical working speed)

|stall speed mph=61

|stall speed note=at {{convert|6000|lb|kg|abbr=on}} (max. landing weight) (flaps down)

|range km=

|range miles=630

|range nmi=

|ceiling m=

|ceiling ft=

|climb rate ms=

|climb rate ftmin=1100

|more performance=

|avionics=

}}

{{aircontent

|related=

• AT-300
• AT-501
• AT-602
• AT-802

}}

{{reflist}}

{{refbegin}}

• {{cite book |editor-last=Jackson |editor-first=Paul |title=Jane's All The World's Aircraft 2003–2004 |year=2003 |publisher= Jane's Information Group|location=Coulsdon, UK |isbn=0-7106-2537-5 }}
• {{cite book|editor-last=Lambert|editor-first=Mark|title=Jane's All The Worlds Aircraft 1993–94|publisher=Janes's Data Division|location=Coudsdon, UK|date=1993|isbn=0-7106-1066-1}}
• {{cite book |last= Simpson |first= R. W. |title=Airlife's General Aviation |year=1995 |publisher=Airlife Publishing |location=Shrewsbury |pages=31–32 }}
• {{cite book|editor-last=Taylor |editor-first=John W. R.|author-link=John W. R. Taylor |title=Jane's All The World's Aircraft 1988-89 |year= 1988|publisher=Jane's Defence Data |location=Coulsden, UK |isbn= 0-7106-0867-5 }}

{{refend}}

{{Commons category}}

• [http://www.airtractor.com/ Air Tractor - www.airtractor.com]

{{Air Tractor aircraft}}

AT-400

Category:1970s United States agricultural aircraft

Category:Single-engined tractor aircraft

Category:Single-engined turboprop aircraft

Category:Low-wing aircraft

Category:Aircraft first flown in 1979